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csscomputedvalues: Get rid of animated values

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Merge the animated values code into the computed values code. This
should get rid of various bugs related to animated->computed updating.
This commit is contained in:
Benjamin Otte
2012-09-13 18:11:29 +02:00
parent 7248c19037
commit a7ec3ba53f
6 changed files with 336 additions and 491 deletions
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2
gtk/Makefile.am
View File

@ -426,7 +426,6 @@ gtk_private_h_sources = \
gtkcolorscaleprivate.h \
gtkcolorchooserprivate.h \
gtkcontainerprivate.h \
gtkcssanimatedvaluesprivate.h \
gtkcssanimationprivate.h \
gtkcssarrayvalueprivate.h \
gtkcssbgsizevalueprivate.h \
@ -648,7 +647,6 @@ gtk_base_c_sources = \
gtkcombobox.c \
gtkcomboboxtext.c \
gtkcontainer.c \
gtkcssanimatedvalues.c \
gtkcssanimation.c \
gtkcssarrayvalue.c \
gtkcssbgsizevalue.c \

400
gtk/gtkcssanimatedvalues.c
View File

@ -1,400 +0,0 @@
/*
* Copyright © 2012 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtkcssanimatedvaluesprivate.h"
#include "gtkcssanimationprivate.h"
#include "gtkcssarrayvalueprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssshorthandpropertyprivate.h"
#include "gtkcssstringvalueprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkcsstransitionprivate.h"
#include "gtkstyleanimationprivate.h"
#include "gtkstylepropertiesprivate.h"
#include "gtkstylepropertyprivate.h"
#include "gtkstyleproviderprivate.h"
G_DEFINE_TYPE (GtkCssAnimatedValues, _gtk_css_animated_values, GTK_TYPE_CSS_COMPUTED_VALUES)
static void
gtk_css_animated_values_dispose (GObject *object)
{
GtkCssAnimatedValues *values = GTK_CSS_ANIMATED_VALUES (object);
g_slist_free_full (values->animations, g_object_unref);
values->animations = NULL;
G_OBJECT_CLASS (_gtk_css_animated_values_parent_class)->dispose (object);
}
static void
_gtk_css_animated_values_class_init (GtkCssAnimatedValuesClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gtk_css_animated_values_dispose;
}
static void
_gtk_css_animated_values_init (GtkCssAnimatedValues *animated_values)
{
}
/* TRANSITIONS */
typedef struct _TransitionInfo TransitionInfo;
struct _TransitionInfo {
guint index; /* index into value arrays */
gboolean pending; /* TRUE if we still need to handle it */
};
static void
transition_info_add (TransitionInfo infos[GTK_CSS_PROPERTY_N_PROPERTIES],
GtkStyleProperty *property,
guint index)
{
if (property == NULL)
{
guint i;
for (i = 0; i < _gtk_css_style_property_get_n_properties (); i++)
{
GtkCssStyleProperty *prop = _gtk_css_style_property_lookup_by_id (i);
transition_info_add (infos, GTK_STYLE_PROPERTY (prop), index);
}
}
else if (GTK_IS_CSS_SHORTHAND_PROPERTY (property))
{
GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
guint i;
for (i = 0; i < _gtk_css_shorthand_property_get_n_subproperties (shorthand); i++)
{
GtkCssStyleProperty *prop = _gtk_css_shorthand_property_get_subproperty (shorthand, i);
transition_info_add (infos, GTK_STYLE_PROPERTY (prop), index);
}
}
else if (GTK_IS_CSS_STYLE_PROPERTY (property))
{
guint id;
if (!_gtk_css_style_property_is_animated (GTK_CSS_STYLE_PROPERTY (property)))
return;
id = _gtk_css_style_property_get_id (GTK_CSS_STYLE_PROPERTY (property));
g_assert (id < GTK_CSS_PROPERTY_N_PROPERTIES);
infos[id].index = index;
infos[id].pending = TRUE;
}
else
{
g_assert_not_reached ();
}
}
static void
transition_infos_set (TransitionInfo infos[GTK_CSS_PROPERTY_N_PROPERTIES],
GtkCssValue *transitions)
{
guint i;
for (i = 0; i < _gtk_css_array_value_get_n_values (transitions); i++)
{
GtkStyleProperty *property;
GtkCssValue *prop_value;
prop_value = _gtk_css_array_value_get_nth (transitions, i);
if (g_ascii_strcasecmp (_gtk_css_ident_value_get (prop_value), "all") == 0)
property = NULL;
else
{
property = _gtk_style_property_lookup (_gtk_css_ident_value_get (prop_value));
if (property == NULL)
continue;
}
transition_info_add (infos, property, i);
}
}
static GtkStyleAnimation *
gtk_css_animated_values_find_transition (GtkCssAnimatedValues *values,
guint property_id)
{
GSList *list;
for (list = values->animations; list; list = list->next)
{
if (!GTK_IS_CSS_TRANSITION (list->data))
continue;
if (_gtk_css_transition_get_property (list->data) == property_id)
return list->data;
}
return NULL;
}
static void
gtk_css_animated_values_start_transitions (GtkCssAnimatedValues *values,
gint64 timestamp,
GtkCssComputedValues *source)
{
TransitionInfo transitions[GTK_CSS_PROPERTY_N_PROPERTIES] = { { 0, } };
GtkCssComputedValues *computed;
GtkCssValue *durations, *delays, *timing_functions;
guint i;
computed = GTK_CSS_COMPUTED_VALUES (values);
transition_infos_set (transitions, _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_TRANSITION_PROPERTY));
durations = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_TRANSITION_DURATION);
delays = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_TRANSITION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION);
for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i++)
{
GtkStyleAnimation *animation;
GtkCssValue *start, *end;
double duration, delay;
if (!transitions[i].pending)
continue;
duration = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, transitions[i].index), 100);
delay = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, transitions[i].index), 100);
if (duration + delay == 0.0)
continue;
start = _gtk_css_computed_values_get_intrinsic_value (source, i);
end = _gtk_css_computed_values_get_intrinsic_value (computed, i);
if (_gtk_css_value_equal (start, end))
{
if (GTK_IS_CSS_ANIMATED_VALUES (source))
{
animation = gtk_css_animated_values_find_transition (GTK_CSS_ANIMATED_VALUES (source), i);
if (animation)
values->animations = g_slist_prepend (values->animations, g_object_ref (animation));
}
}
else
{
animation = _gtk_css_transition_new (i,
start,
end,
_gtk_css_array_value_get_nth (timing_functions, i),
timestamp + delay * G_USEC_PER_SEC,
timestamp + (delay + duration) * G_USEC_PER_SEC);
values->animations = g_slist_prepend (values->animations, animation);
}
}
}
static GtkStyleAnimation *
gtk_css_animated_values_find_animation (GtkCssAnimatedValues *values,
const char *name)
{
GSList *list;
for (list = values->animations; list; list = list->next)
{
if (!GTK_IS_CSS_ANIMATION (list->data))
continue;
if (g_str_equal (_gtk_css_animation_get_name (list->data), name))
return list->data;
}
return NULL;
}
static void
gtk_css_animated_values_start_css_animations (GtkCssAnimatedValues *values,
gint64 timestamp,
GtkStyleContext *context)
{
GtkCssComputedValues *computed;
GtkStyleProviderPrivate *provider;
GtkCssValue *durations, *delays, *timing_functions, *animations;
GtkCssValue *iteration_counts, *directions, *play_states, *fill_modes;
guint i;
computed = GTK_CSS_COMPUTED_VALUES (values);
provider = _gtk_style_context_get_style_provider (context);
animations = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_NAME);
durations = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_DURATION);
delays = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION);
iteration_counts = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT);
directions = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_DIRECTION);
play_states = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE);
fill_modes = _gtk_css_computed_values_get_value (computed, GTK_CSS_PROPERTY_ANIMATION_FILL_MODE);
for (i = 0; i < _gtk_css_array_value_get_n_values (animations); i++)
{
GtkStyleAnimation *animation;
GtkCssKeyframes *keyframes;
const char *name;
name = _gtk_css_ident_value_get (_gtk_css_array_value_get_nth (animations, i));
if (g_ascii_strcasecmp (name, "none") == 0)
continue;
animation = gtk_css_animated_values_find_animation (values, name);
if (animation)
continue;
keyframes = _gtk_style_provider_private_get_keyframes (provider, name);
if (keyframes == NULL)
continue;
keyframes = _gtk_css_keyframes_compute (keyframes, context);
animation = _gtk_css_animation_new (name,
keyframes,
timestamp + _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, i), 100) * G_USEC_PER_SEC,
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, i), 100) * G_USEC_PER_SEC,
_gtk_css_array_value_get_nth (timing_functions, i),
_gtk_css_direction_value_get (_gtk_css_array_value_get_nth (directions, i)),
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)),
_gtk_css_fill_mode_value_get (_gtk_css_array_value_get_nth (fill_modes, i)),
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (iteration_counts, i), 100));
values->animations = g_slist_prepend (values->animations, animation);
}
}
/* PUBLIC API */
static void
gtk_css_animated_values_start_animations (GtkCssAnimatedValues *values,
gint64 timestamp,
GtkCssComputedValues *source,
GtkStyleContext *context)
{
gtk_css_animated_values_start_transitions (values, timestamp, source);
gtk_css_animated_values_start_css_animations (values, timestamp, context);
}
GtkCssComputedValues *
_gtk_css_animated_values_new (GtkCssComputedValues *computed,
GtkCssComputedValues *source,
gint64 timestamp,
GtkStyleContext *context)
{
GtkCssAnimatedValues *values;
GtkCssValue *value;
GtkBitmask *ignore;
guint i;
g_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (computed), NULL);
g_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (source), NULL);
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
values = g_object_new (GTK_TYPE_CSS_ANIMATED_VALUES, NULL);
for (i = 0; ; i++)
{
value = _gtk_css_computed_values_get_value (computed, i);
if (value == NULL)
break;
_gtk_css_computed_values_set_value (GTK_CSS_COMPUTED_VALUES (values),
i,
value,
0,
_gtk_css_computed_values_get_section (computed, i));
}
_gtk_bitmask_free (GTK_CSS_COMPUTED_VALUES (values)->depends_on_parent);
_gtk_bitmask_free (GTK_CSS_COMPUTED_VALUES (values)->equals_parent);
_gtk_bitmask_free (GTK_CSS_COMPUTED_VALUES (values)->depends_on_color);
_gtk_bitmask_free (GTK_CSS_COMPUTED_VALUES (values)->depends_on_font_size);
GTK_CSS_COMPUTED_VALUES (values)->depends_on_parent = _gtk_bitmask_copy (computed->depends_on_parent);
GTK_CSS_COMPUTED_VALUES (values)->equals_parent = _gtk_bitmask_copy (computed->equals_parent);
GTK_CSS_COMPUTED_VALUES (values)->depends_on_color = _gtk_bitmask_copy (computed->depends_on_color);
GTK_CSS_COMPUTED_VALUES (values)->depends_on_font_size = _gtk_bitmask_copy (computed->depends_on_font_size);
gtk_css_animated_values_start_animations (values, timestamp, source, context);
ignore = _gtk_css_animated_values_advance (values, timestamp);
_gtk_bitmask_free (ignore);
return GTK_CSS_COMPUTED_VALUES (values);
}
GtkBitmask *
_gtk_css_animated_values_advance (GtkCssAnimatedValues *values,
gint64 timestamp)
{
GtkCssComputedValues *computed;
GtkBitmask *changed;
GPtrArray *old_animated_values;
GSList *list;
g_return_val_if_fail (GTK_IS_CSS_ANIMATED_VALUES (values), NULL);
g_return_val_if_fail (timestamp >= values->current_time, NULL);
computed = GTK_CSS_COMPUTED_VALUES (values);
changed = _gtk_bitmask_new ();
values->current_time = timestamp;
old_animated_values = computed->animated_values;
computed->animated_values = NULL;
list = values->animations;
while (list)
{
GtkStyleAnimation *animation = list->data;
list = list->next;
changed = _gtk_style_animation_set_values (animation,
changed,
timestamp,
GTK_CSS_COMPUTED_VALUES (values));
if (_gtk_style_animation_is_finished (animation, timestamp))
{
values->animations = g_slist_remove (values->animations, animation);
g_object_unref (animation);
}
}
if (old_animated_values)
g_ptr_array_unref (old_animated_values);
return changed;
}
gboolean
_gtk_css_animated_values_is_finished (GtkCssAnimatedValues *values)
{
g_return_val_if_fail (GTK_IS_CSS_ANIMATED_VALUES (values), TRUE);
return values->animations == NULL;
}

64
gtk/gtkcssanimatedvaluesprivate.h
View File

@ -1,64 +0,0 @@
/*
* Copyright © 2012 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#ifndef __GTK_CSS_ANIMATED_VALUES_PRIVATE_H__
#define __GTK_CSS_ANIMATED_VALUES_PRIVATE_H__
#include "gtk/gtkcsscomputedvaluesprivate.h"
G_BEGIN_DECLS
#define GTK_TYPE_CSS_ANIMATED_VALUES (_gtk_css_animated_values_get_type ())
#define GTK_CSS_ANIMATED_VALUES(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_ANIMATED_VALUES, GtkCssAnimatedValues))
#define GTK_CSS_ANIMATED_VALUES_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_ANIMATED_VALUES, GtkCssAnimatedValuesClass))
#define GTK_IS_CSS_ANIMATED_VALUES(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_ANIMATED_VALUES))
#define GTK_IS_CSS_ANIMATED_VALUES_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_ANIMATED_VALUES))
#define GTK_CSS_ANIMATED_VALUES_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_ANIMATED_VALUES, GtkCssAnimatedValuesClass))
typedef struct _GtkCssAnimatedValues GtkCssAnimatedValues;
typedef struct _GtkCssAnimatedValuesClass GtkCssAnimatedValuesClass;
struct _GtkCssAnimatedValues
{
GtkCssComputedValues parent;
gint64 current_time; /* the current time in our world */
GSList *animations; /* the running animations */
};
struct _GtkCssAnimatedValuesClass
{
GtkCssComputedValuesClass parent_class;
};
GType _gtk_css_animated_values_get_type (void) G_GNUC_CONST;
GtkCssComputedValues * _gtk_css_animated_values_new (GtkCssComputedValues *computed,
GtkCssComputedValues *source,
gint64 timestamp,
GtkStyleContext *context);
GtkBitmask * _gtk_css_animated_values_advance (GtkCssAnimatedValues *values,
gint64 timestamp) G_GNUC_WARN_UNUSED_RESULT;
gboolean _gtk_css_animated_values_is_finished (GtkCssAnimatedValues *values);
G_END_DECLS
#endif /* __GTK_CSS_ANIMATED_VALUES_PRIVATE_H__ */

306
gtk/gtkcsscomputedvalues.c
View File

@ -21,9 +21,20 @@
#include "gtkcsscomputedvaluesprivate.h"
#include "gtkcssanimationprivate.h"
#include "gtkcssarrayvalueprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssinheritvalueprivate.h"
#include "gtkcssinitialvalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssshorthandpropertyprivate.h"
#include "gtkcssstringvalueprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkcsstransitionprivate.h"
#include "gtkstyleanimationprivate.h"
#include "gtkstylepropertiesprivate.h"
#include "gtkstylepropertyprivate.h"
#include "gtkstyleproviderprivate.h"
G_DEFINE_TYPE (GtkCssComputedValues, _gtk_css_computed_values, G_TYPE_OBJECT)
@ -48,6 +59,9 @@ gtk_css_computed_values_dispose (GObject *object)
values->animated_values = NULL;
}
g_slist_free_full (values->animations, g_object_unref);
values->animations = NULL;
G_OBJECT_CLASS (_gtk_css_computed_values_parent_class)->dispose (object);
}
@ -252,3 +266,295 @@ _gtk_css_computed_values_get_difference (GtkCssComputedValues *values,
return result;
}
/* TRANSITIONS */
typedef struct _TransitionInfo TransitionInfo;
struct _TransitionInfo {
guint index; /* index into value arrays */
gboolean pending; /* TRUE if we still need to handle it */
};
static void
transition_info_add (TransitionInfo infos[GTK_CSS_PROPERTY_N_PROPERTIES],
GtkStyleProperty *property,
guint index)
{
if (property == NULL)
{
guint i;
for (i = 0; i < _gtk_css_style_property_get_n_properties (); i++)
{
GtkCssStyleProperty *prop = _gtk_css_style_property_lookup_by_id (i);
transition_info_add (infos, GTK_STYLE_PROPERTY (prop), index);
}
}
else if (GTK_IS_CSS_SHORTHAND_PROPERTY (property))
{
GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
guint i;
for (i = 0; i < _gtk_css_shorthand_property_get_n_subproperties (shorthand); i++)
{
GtkCssStyleProperty *prop = _gtk_css_shorthand_property_get_subproperty (shorthand, i);
transition_info_add (infos, GTK_STYLE_PROPERTY (prop), index);
}
}
else if (GTK_IS_CSS_STYLE_PROPERTY (property))
{
guint id;
if (!_gtk_css_style_property_is_animated (GTK_CSS_STYLE_PROPERTY (property)))
return;
id = _gtk_css_style_property_get_id (GTK_CSS_STYLE_PROPERTY (property));
g_assert (id < GTK_CSS_PROPERTY_N_PROPERTIES);
infos[id].index = index;
infos[id].pending = TRUE;
}
else
{
g_assert_not_reached ();
}
}
static void
transition_infos_set (TransitionInfo infos[GTK_CSS_PROPERTY_N_PROPERTIES],
GtkCssValue *transitions)
{
guint i;
for (i = 0; i < _gtk_css_array_value_get_n_values (transitions); i++)
{
GtkStyleProperty *property;
GtkCssValue *prop_value;
prop_value = _gtk_css_array_value_get_nth (transitions, i);
if (g_ascii_strcasecmp (_gtk_css_ident_value_get (prop_value), "all") == 0)
property = NULL;
else
{
property = _gtk_style_property_lookup (_gtk_css_ident_value_get (prop_value));
if (property == NULL)
continue;
}
transition_info_add (infos, property, i);
}
}
static GtkStyleAnimation *
gtk_css_computed_values_find_transition (GtkCssComputedValues *values,
guint property_id)
{
GSList *list;
for (list = values->animations; list; list = list->next)
{
if (!GTK_IS_CSS_TRANSITION (list->data))
continue;
if (_gtk_css_transition_get_property (list->data) == property_id)
return list->data;
}
return NULL;
}
static void
gtk_css_computed_values_start_transitions (GtkCssComputedValues *values,
gint64 timestamp,
GtkCssComputedValues *source)
{
TransitionInfo transitions[GTK_CSS_PROPERTY_N_PROPERTIES] = { { 0, } };
GtkCssValue *durations, *delays, *timing_functions;
guint i;
transition_infos_set (transitions, _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_PROPERTY));
durations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_DURATION);
delays = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION);
for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i++)
{
GtkStyleAnimation *animation;
GtkCssValue *start, *end;
double duration, delay;
if (!transitions[i].pending)
continue;
duration = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, transitions[i].index), 100);
delay = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, transitions[i].index), 100);
if (duration + delay == 0.0)
continue;
start = _gtk_css_computed_values_get_intrinsic_value (source, i);
end = _gtk_css_computed_values_get_intrinsic_value (values, i);
if (_gtk_css_value_equal (start, end))
{
animation = gtk_css_computed_values_find_transition (GTK_CSS_COMPUTED_VALUES (source), i);
if (animation)
values->animations = g_slist_prepend (values->animations, g_object_ref (animation));
}
else
{
animation = _gtk_css_transition_new (i,
start,
end,
_gtk_css_array_value_get_nth (timing_functions, i),
timestamp + delay * G_USEC_PER_SEC,
timestamp + (delay + duration) * G_USEC_PER_SEC);
values->animations = g_slist_prepend (values->animations, animation);
}
}
}
static GtkStyleAnimation *
gtk_css_computed_values_find_animation (GtkCssComputedValues *values,
const char *name)
{
GSList *list;
for (list = values->animations; list; list = list->next)
{
if (!GTK_IS_CSS_ANIMATION (list->data))
continue;
if (g_str_equal (_gtk_css_animation_get_name (list->data), name))
return list->data;
}
return NULL;
}
static void
gtk_css_computed_values_start_css_animations (GtkCssComputedValues *values,
gint64 timestamp,
GtkStyleContext *context)
{
GtkStyleProviderPrivate *provider;
GtkCssValue *durations, *delays, *timing_functions, *animations;
GtkCssValue *iteration_counts, *directions, *play_states, *fill_modes;
guint i;
provider = _gtk_style_context_get_style_provider (context);
animations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_NAME);
durations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DURATION);
delays = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION);
iteration_counts = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT);
directions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DIRECTION);
play_states = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE);
fill_modes = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_FILL_MODE);
for (i = 0; i < _gtk_css_array_value_get_n_values (animations); i++)
{
GtkStyleAnimation *animation;
GtkCssKeyframes *keyframes;
const char *name;
name = _gtk_css_ident_value_get (_gtk_css_array_value_get_nth (animations, i));
if (g_ascii_strcasecmp (name, "none") == 0)
continue;
animation = gtk_css_computed_values_find_animation (values, name);
if (animation)
continue;
keyframes = _gtk_style_provider_private_get_keyframes (provider, name);
if (keyframes == NULL)
continue;
keyframes = _gtk_css_keyframes_compute (keyframes, context);
animation = _gtk_css_animation_new (name,
keyframes,
timestamp + _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, i), 100) * G_USEC_PER_SEC,
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, i), 100) * G_USEC_PER_SEC,
_gtk_css_array_value_get_nth (timing_functions, i),
_gtk_css_direction_value_get (_gtk_css_array_value_get_nth (directions, i)),
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)),
_gtk_css_fill_mode_value_get (_gtk_css_array_value_get_nth (fill_modes, i)),
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (iteration_counts, i), 100));
values->animations = g_slist_prepend (values->animations, animation);
}
}
/* PUBLIC API */
void
_gtk_css_computed_values_start_animations (GtkCssComputedValues *values,
gint64 timestamp,
GtkCssComputedValues *source,
GtkStyleContext *context)
{
GtkBitmask *ignore;
gtk_css_computed_values_start_transitions (values, timestamp, source);
gtk_css_computed_values_start_css_animations (values, timestamp, context);
ignore = _gtk_css_computed_values_advance (values, timestamp);
_gtk_bitmask_free (ignore);
}
GtkBitmask *
_gtk_css_computed_values_advance (GtkCssComputedValues *values,
gint64 timestamp)
{
GtkBitmask *changed;
GPtrArray *old_computed_values;
GSList *list;
g_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values), NULL);
g_return_val_if_fail (timestamp >= values->current_time, NULL);
changed = _gtk_bitmask_new ();
values->current_time = timestamp;
old_computed_values = values->animated_values;
values->animated_values = NULL;
list = values->animations;
while (list)
{
GtkStyleAnimation *animation = list->data;
list = list->next;
changed = _gtk_style_animation_set_values (animation,
changed,
timestamp,
GTK_CSS_COMPUTED_VALUES (values));
if (_gtk_style_animation_is_finished (animation, timestamp))
{
values->animations = g_slist_remove (values->animations, animation);
g_object_unref (animation);
}
}
if (old_computed_values)
g_ptr_array_unref (old_computed_values);
return changed;
}
gboolean
_gtk_css_computed_values_is_static (GtkCssComputedValues *values)
{
GSList *list;
g_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values), TRUE);
for (list = values->animations; list; list = list->next)
{
if (!_gtk_style_animation_is_static (list->data, values->current_time))
return FALSE;
}
return TRUE;
}

25
gtk/gtkcsscomputedvaluesprivate.h
View File

@ -43,13 +43,17 @@ struct _GtkCssComputedValues
{
GObject parent;
GPtrArray *values;
GPtrArray *sections;
GPtrArray *animated_values;
GtkBitmask *depends_on_parent;
GtkBitmask *equals_parent;
GtkBitmask *depends_on_color;
GtkBitmask *depends_on_font_size;
GPtrArray *values; /* the unanimated (aka intrinsic) values */
GPtrArray *sections; /* sections the values are defined in */
GPtrArray *animated_values; /* NULL or array of animated values/NULL if not animated */
gint64 current_time; /* the current time in our world */
GSList *animations; /* the running animations, least important one first */
GtkBitmask *depends_on_parent; /* for intrinsic values */
GtkBitmask *equals_parent; /* dito */
GtkBitmask *depends_on_color; /* dito */
GtkBitmask *depends_on_font_size; /* dito */
};
struct _GtkCssComputedValuesClass
@ -84,6 +88,13 @@ GtkCssValue * _gtk_css_computed_values_get_intrinsic_value (GtkCssCom
GtkBitmask * _gtk_css_computed_values_get_difference (GtkCssComputedValues *values,
GtkCssComputedValues *other);
void _gtk_css_computed_values_start_animations (GtkCssComputedValues *values,
gint64 timestamp,
GtkCssComputedValues *source,
GtkStyleContext *context);
GtkBitmask * _gtk_css_computed_values_advance (GtkCssComputedValues *values,
gint64 timestamp);
gboolean _gtk_css_computed_values_is_static (GtkCssComputedValues *values);
G_END_DECLS

30
gtk/gtkstylecontext.c
View File

@ -24,7 +24,6 @@
#include "gtkstylecontextprivate.h"
#include "gtkcontainerprivate.h"
#include "gtkcssanimatedvaluesprivate.h"
#include "gtkcssenginevalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssrgbavalueprivate.h"
@ -526,7 +525,7 @@ style_data_unref (StyleData *data)
static gboolean
style_data_is_animating (StyleData *style_data)
{
return GTK_IS_CSS_ANIMATED_VALUES (style_data->store);
return !_gtk_css_computed_values_is_static (style_data->store);
}
static GtkStyleInfo *
@ -3011,10 +3010,10 @@ gtk_style_context_update_animations (GtkStyleContext *context,
style_data = style_data_lookup (context);
differences = _gtk_css_animated_values_advance (GTK_CSS_ANIMATED_VALUES (style_data->store),
differences = _gtk_css_computed_values_advance (style_data->store,
timestamp);
if (_gtk_css_animated_values_is_finished (GTK_CSS_ANIMATED_VALUES (style_data->store)))
if (_gtk_css_computed_values_is_static (style_data->store))
_gtk_style_context_stop_animations (context);
return differences;
@ -3043,32 +3042,27 @@ gtk_style_context_should_animate (GtkStyleContext *context)
static void
gtk_style_context_start_animations (GtkStyleContext *context,
GtkCssComputedValues *values,
GtkCssComputedValues *previous,
gint64 timestamp)
{
StyleData *animated;
if (!gtk_style_context_should_animate (context))
{
gtk_style_context_stop_animating (context);
return;
}
animated = style_data_new ();
animated->store = _gtk_css_animated_values_new (style_data_lookup (context)->store,
previous,
timestamp,
context);
_gtk_css_computed_values_start_animations (values,
timestamp,
previous,
context);
if (_gtk_css_animated_values_is_finished (GTK_CSS_ANIMATED_VALUES (animated->store)))
if (_gtk_css_computed_values_is_static (values))
{
style_data_unref (animated);
gtk_style_context_stop_animating (context);
return;
}
style_info_set_data (context->priv->info, animated);
style_data_unref (animated);
gtk_style_context_start_animating (context);
}
@ -3172,11 +3166,11 @@ _gtk_style_context_validate (GtkStyleContext *context,
{
StyleData *data;
gtk_style_context_start_animations (context, current->store, timestamp);
change &= ~GTK_CSS_CHANGE_ANIMATE;
data = style_data_lookup (context);
gtk_style_context_start_animations (context, data->store, current->store, timestamp);
change &= ~GTK_CSS_CHANGE_ANIMATE;
changes = _gtk_css_computed_values_get_difference (data->store, current->store);
}
else